In recent years, with the rapid development of network communication, online shopping is becoming more and more popular. Many college students lack financial literacy and financial skills, and are more likely to be affected by online broadcast, resulting in irrational consumption of college students. This study selected students from a local university as the research object, studied the main factors of college students' irrational consumption behavior in daily life of online shopping, and analyzed three hypotheses of contemporary college students' irrational consumption of online shopping by using the quantitative research method of questionnaire survey. Through the study, it is shown that accurate push to stimulate consumption desire positively affects college students' irrational consumption behavior; shortening the decision-making time process positively affects college students' irrational consumption behavior; electronic payment to reduce cost perception positively affects college students' irrational consumption behavior, and put forward relevant suggestions.